<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script>
      /* do{
         var str=prompt('你爱我吗？');
       }while(str!='我爱你');
       alert('我也爱你呦');*/
       var i=1;
       do{
        console.log('巴啦啦能量');
       }while(i<=100);
    </script>
    </head>
    </html>